Vulnerabilities (CVE)

Filtered by CWE-476
Total 5884 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2011-2691 3 Debian, Fedoraproject, Libpng 3 Debian Linux, Fedora, Libpng 2026-06-16 4.3 MEDIUM 6.5 MEDIUM
The png_err function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG image.
CVE-2011-2525 2 Linux, Redhat 2 Linux Kernel, Enterprise Linux 2026-06-16 7.2 HIGH 7.8 HIGH
The qdisc_notify function in net/sched/sch_api.c in the Linux kernel before 2.6.35 does not prevent tc_fill_qdisc function calls referencing builtin (aka CQ_F_BUILTIN) Qdisc structures, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a crafted call.
CVE-2011-2519 2 Redhat, Xen 4 Enterprise Linux Desktop, Enterprise Linux Server, Enterprise Linux Workstation and 1 more 2026-06-16 5.5 MEDIUM N/A
Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.
CVE-2011-2482 1 Linux 1 Linux Kernel 2026-06-16 7.8 HIGH 7.5 HIGH
A certain Red Hat patch to the sctp_sock_migrate function in net/sctp/socket.c in the Linux kernel before 2.6.21, as used in Red Hat Enterprise Linux (RHEL) 5, allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) via a crafted SCTP packet.
CVE-2011-2184 1 Linux 1 Linux Kernel 2026-06-16 7.2 HIGH N/A
The key_replace_session_keyring function in security/keys/process_keys.c in the Linux kernel before 2.6.39.1 does not initialize a certain structure member, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a KEYCTL_SESSION_TO_PARENT argument to the keyctl function, a different vulnerability than CVE-2010-2960.
CVE-2011-1985 1 Microsoft 6 Windows 2003 Server, Windows 7, Windows Server 2003 and 3 more 2026-06-16 7.2 HIGH 7.1 HIGH
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via a crafted application, aka "Win32k Null Pointer De-reference Vulnerability."
CVE-2011-1887 1 Microsoft 3 Windows 7, Windows Server 2008, Windows Vista 2026-06-16 7.2 HIGH 7.8 HIGH
win32k.sys in the kernel-mode drivers in Microsoft Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other CVEs listed in MS11-054, aka "Win32k Null Pointer De-reference Vulnerability."
CVE-2011-1881 1 Microsoft 6 Windows 2003 Server, Windows 7, Windows Server 2003 and 3 more 2026-06-16 7.2 HIGH 8.4 HIGH
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other CVEs listed in MS11-054, aka "Win32k Null Pointer De-reference Vulnerability."
CVE-2011-1802 1 Google 1 Blink 2026-06-16 4.3 MEDIUM 6.5 MEDIUM
WebKit in Google Chrome before Blink M11 and M12 does not properly handle counter nodes, which allows remote attackers to cause a denial of service (memory corruption).
CVE-2011-1771 1 Linux 1 Linux Kernel 2026-06-16 4.4 MEDIUM 7.8 HIGH
The cifs_close function in fs/cifs/file.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (NULL pointer dereference and BUG) or possibly have unspecified other impact by setting the O_DIRECT flag during an attempt to open a file on a CIFS filesystem.
CVE-2011-1752 5 Apache, Apple, Canonical and 2 more 5 Subversion, Mac Os X, Ubuntu Linux and 2 more 2026-06-16 5.0 MEDIUM N/A
The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.17, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a request for a baselined WebDAV resource, as exploited in the wild in May 2011.
CVE-2011-1748 1 Linux 1 Linux Kernel 2026-06-16 4.9 MEDIUM N/A
The raw_release function in net/can/raw.c in the Linux kernel before 2.6.39-rc6 does not properly validate a socket data structure, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a crafted release operation.
CVE-2011-1691 1 Google 1 Chrome 2026-06-16 5.0 MEDIUM N/A
The counterToCSSValue function in CSSComputedStyleDeclaration.cpp in the Cascading Style Sheets (CSS) implementation in WebCore in WebKit before r82222, as used in Google Chrome before 11.0.696.43 and other products, does not properly handle access to the (1) counterIncrement and (2) counterReset attributes of CSSStyleDeclaration data provided by a getComputedStyle method call, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted JavaScript code.
CVE-2011-1598 1 Linux 1 Linux Kernel 2026-06-16 4.9 MEDIUM N/A
The bcm_release function in net/can/bcm.c in the Linux kernel before 2.6.39-rc6 does not properly validate a socket data structure, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a crafted release operation.
CVE-2011-1478 1 Linux 1 Linux Kernel 2026-06-16 5.7 MEDIUM N/A
The napi_reuse_skb function in net/core/dev.c in the Generic Receive Offload (GRO) implementation in the Linux kernel before 2.6.38 does not reset the values of certain structure members, which might allow remote attackers to cause a denial of service (NULL pointer dereference) via a malformed VLAN frame.
CVE-2011-1282 1 Microsoft 6 Windows 2003 Server, Windows 7, Windows Server 2003 and 3 more 2026-06-16 7.2 HIGH 8.4 HIGH
The Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly initialize memory and consequently uses a NULL pointer in an unspecified function call, which allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that triggers an incorrect memory assignment for a user transaction, aka "CSRSS Local EOP SrvSetConsoleLocalEUDC Vulnerability."
CVE-2011-1271 1 Microsoft 7 .net Framework, Windows 2003 Server, Windows 7 and 4 more 2026-06-16 5.1 MEDIUM 7.7 HIGH
The JIT compiler in Microsoft .NET Framework 3.5 Gold and SP1, 3.5.1, and 4.0, when IsJITOptimizerDisabled is false, does not properly handle expressions related to null strings, which allows context-dependent attackers to bypass intended access restrictions, and consequently execute arbitrary code, in opportunistic circumstances by leveraging a crafted application, as demonstrated by (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, or (3) a crafted .NET Framework application, aka ".NET Framework JIT Optimization Vulnerability."
CVE-2011-1231 1 Microsoft 6 Windows 2003 Server, Windows 7, Windows Server 2003 and 3 more 2026-06-16 7.2 HIGH 8.4 HIGH
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."
CVE-2011-1229 2 Avaya, Microsoft 35 Agent Access, Aura Conferencing Standard Edition, Basic Call Management System Reporting Desktop and 32 more 2026-06-16 7.2 HIGH N/A
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."
CVE-2011-1093 2 Linux, Redhat 6 Linux Kernel, Enterprise Linux Aus, Enterprise Linux Desktop and 3 more 2026-06-16 7.8 HIGH N/A
The dccp_rcv_state_process function in net/dccp/input.c in the Datagram Congestion Control Protocol (DCCP) implementation in the Linux kernel before 2.6.38 does not properly handle packets for a CLOSED endpoint, which allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by sending a DCCP-Close packet followed by a DCCP-Reset packet.